BoxCollider BoxCollider::generateCage(const Entity &entity) {
const Transform &t = entity.getComponent<Transform>();
const Vector3f &rotation = t.rotation;
const Vector3f &position = t.position;
const Vector3f &scale = t.scale;
if (entity.hasComponent<MeshDrawable>()) {
Mesh &mesh = entity.getComponent<MeshDrawable>().mesh;
Matrix4f modelMatrix;
modelMatrix.rotate(rotation);
modelMatrix.scale(scale);
Vector3f size;
for (unsigned int i = 0; i < mesh.vertices.size(); i++) {
Vector3f v = modelMatrix.transform(mesh.vertices[i]);
size.x = (fabs(v.x) > size.x) ? fabs(v.x) : size.x;
size.y = (fabs(v.y) > size.y) ? fabs(v.y) : size.y;
size.z = (fabs(v.z) > size.z) ? fabs(v.z) : size.z;
}
return BoxCollider(position, size * 2);
}
return BoxCollider(position, scale * 2);
}
void Level00::LoadStaticSceneObjects(LegacySceneObject** sceneObjects, mat4f** transforms, BoxColliderComponent** colliders, vec3f* positions, vec3f* rotations, vec3f* scales, int size)
{
// Allocate size SceneObjects
*sceneObjects = reinterpret_cast<LegacySceneObject*>(mSceneAllocator.Allocate(sizeof(LegacySceneObject) * size, alignof(BaseSceneObject), 0));
*transforms = reinterpret_cast<mat4f*>(mSceneAllocator.Allocate(sizeof(mat4f) * size, alignof(mat4f), 0));
*colliders = reinterpret_cast<BoxColliderComponent*>(mSceneAllocator.Allocate(sizeof(BoxColliderComponent) * size, alignof(BoxColliderComponent), 0));
for (int i = 0; i < size; i++)
{
(*transforms)[i] = (mat4f::scale(scales[i]) * mat4f::translate(positions[i])).transpose();
(*colliders)[i].mCollider = BoxCollider({ positions[i], vec3f(0.85f) * scales[i] });
(*sceneObjects)[i].mWorldMatrix = transforms[i];
(*sceneObjects)[i].mBoxCollider = colliders[i];
}
}
BoxCollider BoxCollider::generateCage(const VisualEntity &entity) {
Matrix4f modelMatrix;
//modelMatrix.translate(entity.position);
modelMatrix.rotate(entity.rotation);
modelMatrix.scale(entity.scale);
Vector3f position;
position.set(entity.position);
Vector3f size;
for (unsigned int i = 0; i < entity.mesh.vertices.size(); i++) {
Vector3f v = modelMatrix.transform(entity.mesh.vertices[i]);
size.x = (fabs(v.x) > size.x) ? fabs(v.x) : size.x;
size.y = (fabs(v.y) > size.y) ? fabs(v.y) : size.y;
size.z = (fabs(v.z) > size.z) ? fabs(v.z) : size.z;
}
return BoxCollider(position, size * 2);
}
